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Chowardhara B, Saha B, Awasthi JP, Deori BB, Nath R, Roy S, Sarkar S, Santra SC, Hossain A, Moulick D. An assessment of nanotechnology-based interventions for cleaning up toxic heavy metal/metalloid-contaminated agroecosystems: Potentials and issues. CHEMOSPHERE 2024; 359:142178. [PMID: 38704049 DOI: 10.1016/j.chemosphere.2024.142178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 03/22/2024] [Accepted: 04/26/2024] [Indexed: 05/06/2024]
Abstract
Heavy metals (HMs) are among the most dangerous environmental variables for a variety of life forms, including crops. Accumulation of HMs in consumables and their subsequent transmission to the food web are serious concerns for scientific communities and policy makers. The function of essential plant cellular macromolecules is substantially hampered by HMs, which eventually have a detrimental effect on agricultural yield. Among these HMs, three were considered, i.e., arsenic, cadmium, and chromium, in this review, from agro-ecosystem perspective. Compared with conventional plant growth regulators, the use of nanoparticles (NPs) is a relatively recent, successful, and promising method among the many methods employed to address or alleviate the toxicity of HMs. The ability of NPs to reduce HM mobility in soil, reduce HM availability, enhance the ability of the apoplastic barrier to prevent HM translocation inside the plant, strengthen the plant's antioxidant system by significantly enhancing the activities of many enzymatic and nonenzymatic antioxidants, and increase the generation of specialized metabolites together support the effectiveness of NPs as stress relievers. In this review article, to assess the efficacy of various NP types in ameliorating HM toxicity in plants, we adopted a 'fusion approach', in which a machine learning-based analysis was used to systematically highlight current research trends based on which an extensive literature survey is planned. A holistic assessment of HMs and NMs was subsequently carried out to highlight the future course of action(s).
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Affiliation(s)
- Bhaben Chowardhara
- Department of Botany, Faculty of Science and Technology, Arunachal University of Studies, Namsai, Arunachal Pradesh-792103, India.
| | - Bedabrata Saha
- Plant Pathology and Weed Research Department, Newe Ya'ar Research Centre, Agricultural Research Organization, Ramat Yishay-3009500, Israel.
| | - Jay Prakash Awasthi
- Department of Botany, Government College Lamta, Balaghat, Madhya Pradesh 481551, India.
| | - Biswajit Bikom Deori
- Department of Environmental Science, Faculty of Science and Technology, Arunachal University of Studies, Namsai, Arunachal Pradesh 792103, India.
| | - Ratul Nath
- Department of Life-Science, Dibrugarh University, Dibrugarh, Assam-786004, India.
| | - Swarnendu Roy
- Department of Botany, University of North Bengal, P.O.- NBU, Dist- Darjeeling, West Bengal, 734013, India.
| | - Sukamal Sarkar
- Division of Agronomy, School of Agriculture and Rural Development, Ramakrishna Mission Vivekananda Educational and Research Institute, Narendrapur Campus, Kolkata, India.
| | - Subhas Chandra Santra
- Department of Environmental Science, University of Kalyani, Nadia, West Bengal, 741235, India.
| | - Akbar Hossain
- Division of Soil Science, Bangladesh Wheat and Maize Research Institute, Dinajpur 5200, Bangladesh.
| | - Debojyoti Moulick
- Department of Environmental Science, University of Kalyani, Nadia, West Bengal, 741235, India.
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2
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Shayo GM, Elimbinzi E, Shao GN. Water-based technologies for improving water quality at the point of use: A review. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2024; 16:e1940. [PMID: 38456325 DOI: 10.1002/wnan.1940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 12/20/2023] [Accepted: 12/21/2023] [Indexed: 03/09/2024]
Abstract
Water safety concerns are increasing tremendously as a result of the rising population and environmental pollution. As a result, viable water treatment approaches need to be designed to meet the water consumption demands of the population, particularly in developing countries. The recent technological advances in water treatment and purification are well articulated in this review. The efficiency of the materials used for purification and their affordability for people living in rural and remote settlements in various parts of the world have been discussed. Water treatment techniques prior to the rapid advancement of science and technology included a variety of strategies such as coagulation/flocculation, filtration, disinfection, flotation and pH correction. The use of nanotechnology in water treatment and purification has modernized the purification process. Therefore, efficient removal of microbes such as bacteria and viruses are exquisitely accomplished. These technologies may include membrane filtration, ultraviolet irradiation, advanced oxidation ion-exchange and biological filtration technologies. Thus, nanotechnology allows for the fabrication of less expensive systems, allowing even low-income people to benefit from it. Most developing countries find these technologies particularly valuable because access to clean and safe water for drinking and residential needs is critical. This is because access to municipal water supplies is also difficult. This article is categorized under: Toxicology and Regulatory Issues in Nanomedicine > Toxicology of Nanomaterials Diagnostic Tools > In Vivo Nanodiagnostics and Imaging.
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Affiliation(s)
- Godfrey M Shayo
- Department of Chemistry, University of Dar es Salaam, Mkwawa College, Iringa, Tanzania
| | - Elianaso Elimbinzi
- Department of Chemistry, University of Dar es Salaam, Mkwawa College, Iringa, Tanzania
| | - Godlisten N Shao
- Department of Chemistry, University of Dar es Salaam, Mkwawa College, Iringa, Tanzania
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3
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Raczyński P, Górny K, Bełdowski P, Marciniak B, Pöschel T, Dendzik Z. Influence of silicon nanocone on cell membrane self-sealing capabilities for targeted drug delivery-Computer simulation study. Arch Biochem Biophys 2023; 749:109802. [PMID: 37913856 DOI: 10.1016/j.abb.2023.109802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 10/06/2023] [Accepted: 10/27/2023] [Indexed: 11/03/2023]
Abstract
Efficient and non-invasive techniques of cargo delivery to biological cells are the focus of biomedical research because of their great potential importance for targeted drug therapy. Therefore, much effort is being made to study the characteristics of using nano-based biocompatible materials as systems that can facilitate this task while ensuring appropriate self-sealing of the cell membrane. Here, we study the effects of indentation and withdrawal of nanocone on phospholipid membrane by applying steered molecular dynamics (SMD) technique. Our results show that the withdrawal process directly depends on the initial position of the nanocone. The average force and work are considerably more significant in case of the withdrawal starting from a larger depth. This result is attributed to stronger hydrophobic interactions between the nanocone and lipid tails of the membrane molecules. Furthermore, when the indenter was started from the lower initial depth, the number of lipids removed from the membrane was several times smaller than the deeper indentation. The choice of the least invasive method for nanostructure-assisted drug delivery is crucial for possible applications in medicine. Therefore, the results presented in this work might be helpful in efficient and safe drug delivery with nanomaterials.
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Affiliation(s)
- Przemysław Raczyński
- University of Silesia in Katowice, Faculty of Science and Technology, 75 Pułku Piechoty 1A, Chorzów, 41-500, Poland.
| | - Krzysztof Górny
- University of Silesia in Katowice, Faculty of Science and Technology, 75 Pułku Piechoty 1A, Chorzów, 41-500, Poland
| | - Piotr Bełdowski
- School of Engineering Sciences in Chemistry, Biotechnology and Health, Department of Chemistry, Surface and Corrosion Science, KTH Royal Institute of Technology, Drottning Kristinas Väg 51, Stockholm, SE-10044, Sweden; Institute of Mathematics and Physics, UTP University of Science and Technology, Bydgoszcz, 85-796, Poland
| | - Beata Marciniak
- Faculty of Telecommunications, Computer Science and Electrical Engineering, UTP University of Science and Technology, Bydgoszcz, 85-796, Poland
| | - Thorsten Pöschel
- Institute for Multiscale Simulation, Friedrich-Alexander-Universität Erlangen-Nürnber, IZNF Cauerstraße 3, Erlangen, 91058, Germany
| | - Zbigniew Dendzik
- University of Silesia in Katowice, Faculty of Science and Technology, 75 Pułku Piechoty 1A, Chorzów, 41-500, Poland
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4
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Zhang L, Li H, Zhang X, Li Q, Zhu G, Liu FQ. A marine coating: Self-healing, stable release of Cu 2+, anti-biofouling. MARINE POLLUTION BULLETIN 2023; 195:115524. [PMID: 37703634 DOI: 10.1016/j.marpolbul.2023.115524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 09/03/2023] [Accepted: 09/06/2023] [Indexed: 09/15/2023]
Abstract
We developed a marine coating consisting of Cu-MOF-74, multi-walled carbon nanotube containing carboxyl groups (MWCNT-COOH) and self-healing polymers, which simultaneously possesses self-healing and anti-biofouling properties. Cu-MOF-74 can stably release Cu2+ by virtue of the coordination dissociative mechanism. Studies have proved that MWCNT can inhibit the growth of bacteria, so adding the MWCNT can help to reduce the amount of the copper ions and ensure the antibacterial effect of the coating. In addition, the cross-linked network and abundant -COOH provided by the polymers and MWCNT-COOH further prevent the loss of copper ions. Moreover, the coating we prepared has good performance of self-healing at room temperature or slightly heated because the polymers possess abundant non-covalent hydrogen bonds. Finally, the coating not only has superior antibacterial property, but also effectively prevents the adhesion of macrofouling organism. Therefore, the coating has a longer service life and its environmental friendliness has also been improved.
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Affiliation(s)
- Liuqin Zhang
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China; School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou 510275, China
| | - Huali Li
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China; School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou 510275, China
| | - Xiaohu Zhang
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China
| | - Qiuping Li
- Aviation Key Laboratory of Science and Technology on Structural Corrosion Prevention and Control, China Special Vehicle Research Institute, Jingmen 448035, China
| | - Guangyu Zhu
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China
| | - Fa-Qian Liu
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China.
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Sandoval-García K, Alvarado-Mendoza AG, Orozco-Guareño E, Olea-Rodríguez MA, Cajero-Zul LR, Nuño-Donlucas SM. Synthesis and Evaluation of Antifungal and Antibacterial Abilities of Carbon Nanotubes Grafted to Poly(2-hydroxyethyl methacrylate) Nanocomposites. Polymers (Basel) 2023; 15:3657. [PMID: 37765511 PMCID: PMC10534391 DOI: 10.3390/polym15183657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 08/21/2023] [Accepted: 09/01/2023] [Indexed: 09/29/2023] Open
Abstract
Developing nanomaterials with the capacity to restrict the growth of bacteria and fungus is of current interest. In this study, nanocomposites of poly(2-hydroxyethyl methacrylate) (PHEMA) and carbon nanotubes (CNTs) functionalized with primary amine, hydroxyl, and carboxyl groups were prepared and characterized. An analysis by Fourier-transform infrared (FT-IR) spectroscopy showed that PHEMA chains were grafted to the functionalized CNTs. X-ray photoelectron spectroscopy suggested that the grafting reaction was viable. The morphology of the prepared nanocomposites studied by field-emission scanning electron microscopy (FE-SEM) and transmission electron microscopy (TEM) showed significant changes with respect to the observed for pure PHEMA. The thermal behavior of the nanocomposites studied by differential scanning calorimetry (DSC) revealed that the functionalized CNTs strongly affect the mobility of the PHEMA chains. Tests carried out by thermogravimetric analysis (TGA) were used to calculate the degree of grafting of the PHEMA chains. The ability of the prepared nanocomposites to inhibit the growth of the fungus Candida albicans and the bacteria Staphylococcus aureus, Pseudomonas aeruginosa, and Escherichia coli was evaluated. A reduced antifungal and antibacterial capacity of the prepared nanocomposites was determined.
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Affiliation(s)
- Karina Sandoval-García
- Centro Universitario de Ciencias Exactas e Ingenierías, Universidad de Guadalajara, Guadalajara 44430, Mexico;
| | - Abraham G. Alvarado-Mendoza
- Departamento de Química, Centro Universitario de Ciencias Exactas e Ingenierías, Universidad de Guadalajara, Guadalajara 44430, Mexico; (A.G.A.-M.); (E.O.-G.)
| | - Eulogio Orozco-Guareño
- Departamento de Química, Centro Universitario de Ciencias Exactas e Ingenierías, Universidad de Guadalajara, Guadalajara 44430, Mexico; (A.G.A.-M.); (E.O.-G.)
| | - María A. Olea-Rodríguez
- Departamento de Farmacología, Centro Universitario de Ciencias Exactas e Ingenierías, Universidad de Guadalajara, Guadalajara 44430, Mexico;
| | - Leonardo R. Cajero-Zul
- Departamento de Ingeniería Química, Centro Universitario de Ciencias Exactas e Ingenierías, Universidad de Guadalajara, Guadalajara 44430, Mexico;
| | - Sergio M. Nuño-Donlucas
- Departamento de Ingeniería Química, Centro Universitario de Ciencias Exactas e Ingenierías, Universidad de Guadalajara, Guadalajara 44430, Mexico;
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Samal S, Misra M, Rangarajan V, Chattopadhyay S. Antimicrobial Nanoparticles Mediated Prevention and Control of Membrane Biofouling in Water and Wastewater Treatment: Current Trends and Future Perspectives. Appl Biochem Biotechnol 2023; 195:5458-5477. [PMID: 37093532 DOI: 10.1007/s12010-023-04497-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/11/2023] [Indexed: 04/25/2023]
Abstract
Global water scarcity and water pollution necessitate wastewater reclamation for further use. As an alternative to conventional techniques, membrane technology is extensively used as an advanced method for water purification and wastewater treatment due to its selectivity, permeability, and efficient removal of pollutants. However, microbial biofouling is a major threat that deteriorates membrane performance and imparts operational challenges. It is a natural phenomenon caused by the undesirable colonization of microbes on membrane surfaces. The economic penalties associated with this menace are enormous. The traditional preventive measures are dominated by biocides, toxic chemicals, cleaners and antifouling surfaces, which are costly and often cause secondary pollution. Recent focus is thus being directed to promote inputs from nanotechnology to control and mitigate this major threat. Different anti-microbial nanomaterials can be effectively used to prevent the adhesion of microbes onto the membrane surfaces and eliminate microbial biofilms, to provide an economical and eco-friendly solution to biofouling. This review addresses the formation of microbial biofilms and biofouling in membrane operations. The potential of nanocomposite membranes in alleviating this problem and the challenges in commercialization are discussed. The antifouling mechanisms are also highlighted, which are not widely elucidated.
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Affiliation(s)
- Subhranshu Samal
- Department of Chemical Engineering, BITS Pilani, K K Birla Goa Campus, Goa, India
| | - Modhurima Misra
- Department of Biotechnology, Heritage Institute of Technology, Kolkata, West Bengal, India
| | - Vivek Rangarajan
- Department of Chemical Engineering, BITS Pilani, K K Birla Goa Campus, Goa, India
| | - Soham Chattopadhyay
- Department of Bioengineering and Biotechnology, Birla Institute of Technology, Mesra, Ranchi, Jharkhand, India.
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7
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Asaftei M, Lucidi M, Cirtoaje C, Holban AM, Charitidis CA, Yang F, Wu A, Stanciu GA, Sağlam Ö, Lazar V, Visca P, Stanciu SG. Fighting bacterial pathogens with carbon nanotubes: focused review of recent progress. RSC Adv 2023; 13:19682-19694. [PMID: 37396836 PMCID: PMC10308885 DOI: 10.1039/d3ra01745a] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 06/13/2023] [Indexed: 07/04/2023] Open
Abstract
The fast and global spread of bacterial resistance to currently available antibiotics results in a great and urgent need for alternative antibacterial agents and therapeutic strategies. Recent studies on the application of nanomaterials as antimicrobial agents have demonstrated their potential for the management of infectious diseases. Among the diverse palette of nanomaterials currently used in biomedical applications, carbon nanotubes (CNTs) have gained massive interest given their many valuable properties, such as high thermal and electrical conductivity, tensile strength, flexibility convenient aspect ratio, and low fabrication costs. All these features are augmented by facile conjugation with functional groups. CNTs are currently available in many configurations, with two main categories being single-walled and multi-walled CNTs, depending on the number of rolled-up single-layer carbon atoms sheets making up the nanostructure. Both classes have been identified over the past years as promising antibacterial agents but the current level of understanding of their efficiency still harbors many pending questions. This mini-review surveys recent progress on the topic of antibacterial effects of CNTs and examines the proposed mechanisms of action(s) of different CNT typologies, placing the main focus on past studies addressing the antibacterial activity on Staphylococcus aureus and Escherichia coli, two prototypical Gram-positive and Gram-negative pathogens, respectively.
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Affiliation(s)
- Mihaela Asaftei
- Center for Microscopy-Microanalysis and Information Processing, University Politehnica of Bucharest Romania
- Department of Microbiology, University of Bucharest Romania
| | - Massimiliano Lucidi
- Department of Science, Roma Tre University Rome 00146 Italy
- NBFC, National Biodiversity Future Center Palermo 90133 Italy
| | | | | | - Costas A Charitidis
- Research Lab of Advanced, Composite, Nano-Materials and Nanotechnology, School of Chemical Engineering, National Technical University of Athens Greece
| | - Fang Yang
- CIXI Institute for Biomedical Engineering, Ningbo Institute for Materials Technology and Engineering, Chinese Academy of Sciences China
| | - Aiguo Wu
- CIXI Institute for Biomedical Engineering, Ningbo Institute for Materials Technology and Engineering, Chinese Academy of Sciences China
| | - George A Stanciu
- Center for Microscopy-Microanalysis and Information Processing, University Politehnica of Bucharest Romania
| | - Özge Sağlam
- Department of Mechanical Engineering, İzmir University of Economics Turkey
| | - Veronica Lazar
- Department of Microbiology, University of Bucharest Romania
| | - Paolo Visca
- Department of Science, Roma Tre University Rome 00146 Italy
- Santa Lucia Foundation IRCCS Rome 00179 Italy
| | - Stefan G Stanciu
- Center for Microscopy-Microanalysis and Information Processing, University Politehnica of Bucharest Romania
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Schifano E, Cavoto G, Pandolfi F, Pettinari G, Apponi A, Ruocco A, Uccelletti D, Rago I. Plasma-Etched Vertically Aligned CNTs with Enhanced Antibacterial Power. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:1081. [PMID: 36985974 PMCID: PMC10054568 DOI: 10.3390/nano13061081] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 03/01/2023] [Accepted: 03/14/2023] [Indexed: 06/18/2023]
Abstract
The emergence of multidrug-resistant bacteria represents a growing threat to public health, and it calls for the development of alternative antibacterial approaches not based on antibiotics. Here, we propose vertically aligned carbon nanotubes (VA-CNTs), with a properly designed nanomorphology, as effective platforms to kill bacteria. We show, via a combination of microscopic and spectroscopic techniques, the ability to tailor the topography of VA-CNTs, in a controlled and time-efficient manner, by means of plasma etching processes. Three different varieties of VA-CNTs were investigated, in terms of antibacterial and antibiofilm activity, against Pseudomonas aeruginosa and Staphylococcus aureus: one as-grown variety and two varieties receiving different etching treatments. The highest reduction in cell viability (100% and 97% for P. aeruginosa and S. aureus, respectively) was observed for the VA-CNTs modified using Ar and O2 as an etching gas, thus identifying the best configuration for a VA-CNT-based surface to inactivate both planktonic and biofilm infections. Additionally, we demonstrate that the powerful antibacterial activity of VA-CNTs is determined by a synergistic effect of both mechanical injuries and ROS production. The possibility of achieving a bacterial inactivation close to 100%, by modulating the physico-chemical features of VA-CNTs, opens up new opportunities for the design of self-cleaning surfaces, preventing the formation of microbial colonies.
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Affiliation(s)
- Emily Schifano
- Dipartimento di Biologia e Biotecnologia “C. Darwin”, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
- SNN Lab, Sapienza Nanotechnology & Nano-Science Laboratory, Sapienza University of Rome, 00100 Rome, Italy
| | - Gianluca Cavoto
- Dipartimento di Fisica, Sapienza University of Rome, Piazzale Aldo Moro 2, 00185 Rome, Italy
- INFN Sezione di Roma, Piazzale Aldo Moro 2, 00185 Rome, Italy
| | | | - Giorgio Pettinari
- Istituto di Fotonica e Nanotecnologie, CNR-IFN, Via del Fosso del Cavaliere 100, 00133 Rome, Italy
| | - Alice Apponi
- Dipartimento di Scienze, Università Degli Studi Roma Tre and INFN Sezione di Roma Tre, Via della Vasca Navale 84, 00146 Rome, Italy
| | - Alessandro Ruocco
- Dipartimento di Scienze, Università Degli Studi Roma Tre and INFN Sezione di Roma Tre, Via della Vasca Navale 84, 00146 Rome, Italy
| | - Daniela Uccelletti
- Dipartimento di Biologia e Biotecnologia “C. Darwin”, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
- SNN Lab, Sapienza Nanotechnology & Nano-Science Laboratory, Sapienza University of Rome, 00100 Rome, Italy
| | - Ilaria Rago
- Dipartimento di Fisica, Sapienza University of Rome, Piazzale Aldo Moro 2, 00185 Rome, Italy
- INFN Sezione di Roma, Piazzale Aldo Moro 2, 00185 Rome, Italy
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9
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Kong L, Yan G, Huang X, Wu Y, Che X, Liu J, Jia J, Zhou H, Yan B. Sequential exposures of single walled carbon nanotubes and heavy metal ions to macrophages induce different cytotoxicity. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 864:161059. [PMID: 36565863 DOI: 10.1016/j.scitotenv.2022.161059] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 12/06/2022] [Accepted: 12/16/2022] [Indexed: 06/17/2023]
Abstract
The probability of occupational exposure rises with the increasing production and biomedical application of carbon nanotubes (CNTs). Thus, the risk of co-exposure of nanomaterials with environmental pollutants is also increasing. Although many studies have focused on the combined toxicity of nanomaterials and pollutants, more attention has been paid to the toxicity of nanomaterials after adsorbing pollutants or the toxicity of nanomaterials and pollutants exposed simultaneously. Few studies have been conducted on the toxicity and toxicity mechanisms of nanomaterials and environmental pollutants following sequential exposure. In this study, we employed THP-1 cells to investigate how pristine single walled CNTs (p-SWCNTs) and oxidized single walled CNTs (SWCNT-COOHs) pretreatments at a non-lethal dose of 10 μg/mL affect cell responses to metal ions (i. e., Pb2+, Cu2+, and Cr(VI)). We found that p-SWCNTs caused more significant damage to cell membrane integrity than SWCNT-COOHs, which led to higher metallothionein (MT) levels and increased transport of metal ions into cells. Pretreatment of p-SWCNTs in cells significantly increased the cytotoxicity of Pb2+, Cu2+, and Cr(VI) by 2-4-fold, whereas SWCNT-COOHs pretreated cells showed no noteworthy changes in response to heavy metals, which were further confirmed by the cellular reactive oxygen species (ROS) assays. These findings indicate that understanding the effects of the exposure sequence of engineered nanomaterials and environmental pollutants on their toxicity provides an excellent complement to combined toxicity evaluation.
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Affiliation(s)
- Long Kong
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Institute of Environmental Research at Greater Bay, Guangzhou University, Guangzhou, Guangdong 510006, China
| | - Guizhen Yan
- Department of Neurology, People's Hospital of Lixia District of Jinan, Shandong 250014, China
| | - Xinxin Huang
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Institute of Environmental Research at Greater Bay, Guangzhou University, Guangzhou, Guangdong 510006, China
| | - Yanxin Wu
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Institute of Environmental Research at Greater Bay, Guangzhou University, Guangzhou, Guangdong 510006, China
| | - Xin Che
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Institute of Environmental Research at Greater Bay, Guangzhou University, Guangzhou, Guangdong 510006, China
| | - Jian Liu
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Institute of Environmental Research at Greater Bay, Guangzhou University, Guangzhou, Guangdong 510006, China
| | - Jianbo Jia
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Institute of Environmental Research at Greater Bay, Guangzhou University, Guangzhou, Guangdong 510006, China
| | - Hongyu Zhou
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Institute of Environmental Research at Greater Bay, Guangzhou University, Guangzhou, Guangdong 510006, China.
| | - Bing Yan
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Institute of Environmental Research at Greater Bay, Guangzhou University, Guangzhou, Guangdong 510006, China
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10
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Ahmad V, Ansari MO. Antimicrobial Activity of Graphene-Based Nanocomposites: Synthesis, Characterization, and Their Applications for Human Welfare. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:nano12224002. [PMID: 36432288 PMCID: PMC9694244 DOI: 10.3390/nano12224002] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 10/29/2022] [Accepted: 10/31/2022] [Indexed: 05/15/2023]
Abstract
Graphene (GN)-related nanomaterials such as graphene oxide, reduced graphene oxide, quantum dots, etc., and their composites have attracted significant interest owing to their efficient antimicrobial properties and thus newer GN-based composites are being readily developed, characterized, and explored for clinical applications by scientists worldwide. The GN offers excellent surface properties, i.e., a large surface area, pH sensitivity, and significant biocompatibility with the biological system. In recent years, GN has found applications in tissue engineering owing to its impressive stiffness, mechanical strength, electrical conductivity, and the ability to innovate in two-dimensional (2D) and three-dimensional (3D) design. It also offers a photothermic effect that potentiates the targeted killing of cells via physicochemical interactions. It is generally synthesized by physical and chemical methods and is characterized by modern and sophisticated analytical techniques such as NMR, Raman spectroscopy, electron microscopy, etc. A lot of reports show the successful conjugation of GN with existing repurposed drugs, which improves their therapeutic efficacy against many microbial infections and also its potential application in drug delivery. Thus, in this review, the antimicrobial potentialities of GN-based nanomaterials, their synthesis, and their toxicities in biological systems are discussed.
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Affiliation(s)
- Varish Ahmad
- Health Information Technology Department, The Applied College, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Centre of Artificial Intelligence for Precision Medicines, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Correspondence:
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11
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Physicochemical Properties and Antibacterial Activity of Gellan Gum Incorporating Zinc Oxide/Carbon Nanotubes Bionanocomposite Film for Wound Healing. Bioinorg Chem Appl 2022; 2022:3158404. [PMID: 36072280 PMCID: PMC9441347 DOI: 10.1155/2022/3158404] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Accepted: 08/09/2022] [Indexed: 11/18/2022] Open
Abstract
Wound healing dressing based on a natural polymer of gellan gum incorporating zinc oxide nanoparticles and multiwall carbon nanotubes (GG/ZnONP + MWCNT) bionanocomposite film was fabricated via the solution casting method. The physicochemical properties of the film were characterized using X-ray diffraction (XRD), Fourier transform infrared (FTIR), and scanning electron microscopy (SEM). Moreover, the antibacterial properties of the bionanocomposite film were investigated for wound healing applications. The characterization results confirmed the reinforcement of the gellan gum (GG) matrix with zinc oxide nanoparticles (ZnONP) and multiwall carbon nanotubes (MWCNT), as an amorphous GG/ZnONP + MWCNT bionanocomposite film was obtained. SEM morphological analysis shows that the addition of ZnONP and MWCNT nanofillers changed the film microstructure into a sponge-like structure that is more suitable for fluid uptake and thus more useful for wound healing. The GG/ZnONP + MWCNT bionanocomposite film demonstrated good antibacterial activity against all strains tested. Furthermore, macroscopic analysis shows that the wound treated with GG/ZnONP + MWCNT bionanocomposite film recovered completely (100%) in 14 days, compared to pure GG film (90.76%) and negative control (77.40%). As a result, the GG/ZnONP + MWCNT bionanocomposite film could be a promising wound dressing material.
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Sabir A, Falath W, Shafiq M, Gull N, Wasim M, .I. Jacob K. Effective desalination and anti-biofouling performance via surface immobilized MWCNTs on RO membrane. Chin J Chem Eng 2022. [DOI: 10.1016/j.cjche.2022.06.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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13
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Safdar M, Kim W, Park S, Gwon Y, Kim YO, Kim J. Engineering plants with carbon nanotubes: a sustainable agriculture approach. J Nanobiotechnology 2022; 20:275. [PMID: 35701848 PMCID: PMC9195285 DOI: 10.1186/s12951-022-01483-w] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 05/25/2022] [Indexed: 01/12/2023] Open
Abstract
Sustainable agriculture is an important conception to meet the growing food demand of the global population. The increased need for adequate and safe food, as well as the ongoing ecological destruction associated with conventional agriculture practices are key global challenges. Nanomaterials are being developed in the agriculture sector to improve the growth and protection of crops. Among the various engineered nanomaterials, carbon nanotubes (CNTs) are one of the most promising carbon-based nanomaterials owing to their attractive physiochemical properties such as small size, high surface area, and superior mechanical and thermal strength, offering better opportunities for agriculture sector applications. This review provides basic information about CNTs, including their history; classification; and electrical, thermal, and mechanical properties, with a focus on their applications in the agriculture field. Furthermore, the mechanisms of the uptake and translocation of CNTs in plants and their defense mechanisms against environmental stresses are discussed. Finally, the major shortcomings, threats, and challenges of CNTs are assessed to provide a broad and clear view of the potential and future directions for CNT-based agriculture applications to achieve the goal of sustainability.
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Affiliation(s)
- Mahpara Safdar
- Department of Convergence Biosystems Engineering, Chonnam National University, Gwangju, 61186, Republic of Korea.,Department of Rural and Biosystems Engineering, Chonnam National University, Gwangju, 61186, Republic of Korea.,Interdisciplinary Program in IT-Bio Convergence System, Chonnam National University, Gwangju, 61186, Republic of Korea
| | - Woochan Kim
- Department of Convergence Biosystems Engineering, Chonnam National University, Gwangju, 61186, Republic of Korea.,Department of Rural and Biosystems Engineering, Chonnam National University, Gwangju, 61186, Republic of Korea.,Interdisciplinary Program in IT-Bio Convergence System, Chonnam National University, Gwangju, 61186, Republic of Korea
| | - Sunho Park
- Department of Convergence Biosystems Engineering, Chonnam National University, Gwangju, 61186, Republic of Korea.,Department of Rural and Biosystems Engineering, Chonnam National University, Gwangju, 61186, Republic of Korea.,Interdisciplinary Program in IT-Bio Convergence System, Chonnam National University, Gwangju, 61186, Republic of Korea
| | - Yonghyun Gwon
- Department of Convergence Biosystems Engineering, Chonnam National University, Gwangju, 61186, Republic of Korea.,Department of Rural and Biosystems Engineering, Chonnam National University, Gwangju, 61186, Republic of Korea.,Interdisciplinary Program in IT-Bio Convergence System, Chonnam National University, Gwangju, 61186, Republic of Korea
| | - Yeon-Ok Kim
- Interdisciplinary Program in IT-Bio Convergence System, Chonnam National University, Gwangju, 61186, Republic of Korea.
| | - Jangho Kim
- Department of Convergence Biosystems Engineering, Chonnam National University, Gwangju, 61186, Republic of Korea. .,Department of Rural and Biosystems Engineering, Chonnam National University, Gwangju, 61186, Republic of Korea. .,Interdisciplinary Program in IT-Bio Convergence System, Chonnam National University, Gwangju, 61186, Republic of Korea.
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14
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Improving Antibacterial Activity of Methicillin by Conjugation to Functionalized Single-Wall Carbon Nanotubes Against MRSA. Int J Pept Res Ther 2022. [DOI: 10.1007/s10989-022-10377-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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15
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Overview of antimicrobial polyurethane-based nanocomposite materials and associated signalling pathways. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111087] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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16
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Noor MM, Santana-Pereira ALR, Liles MR, Davis VA. Dispersant Effects on Single-Walled Carbon Nanotube Antibacterial Activity. Molecules 2022; 27:1606. [PMID: 35268706 PMCID: PMC8911888 DOI: 10.3390/molecules27051606] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Revised: 02/13/2022] [Accepted: 02/22/2022] [Indexed: 11/16/2022] Open
Abstract
There is significant interest in understanding whether nanomaterials with outstanding mechanical or electrical properties also possess antibacterial properties. However, assessment of antibacterial activity is a complex problem at the interface of chemistry and microbiology. Results can be affected by many factors including nanomaterial size, surface chemistry, concentration, and the dispersion media. The difficulty of dispersing nanomaterials such as single-walled carbon nanotubes (SWNTs) has resulted in many studies being conducted in the presence of dispersion aides which may themselves contribute to bacterial stress. The recent discovery that a standard microbial growth media, tryptic soy broth (TSB), is an effective SWNT dispersant provides a new opportunity to investigate the potential antibacterial activity of SWNTs using dispersants that range from antibacterial to growth-supporting. The five dispersants chosen for this work were Sodium dodecyl sulfate (SDS), pluronic, lysozyme, DNA, and tryptic soy broth. Staphylococcus aureus and Salmonella enterica were used as the model Gram-positive and Gram-negative bacteria. Activity was measured in terms of colony forming unit (CFU) and optical density measurements. None of the systems exhibited activity against Salmonella. SDS was fatal to Staph. aureus regardless of the presence of SWNTs. The activity of pluronic and lysozyme against Staph. aureus was enhanced by the presence of SWNTs. In contrast, the DNA and TSB dispersions did not have any activity regardless of the presence of SWNTs. These results highlight that the purported antibacterial activity of SWNTs may only be effective against bacteria that are sensitized by the dispersant and suggests the need for additional research on the mechanisms by which SWNT-dispersant interactions can result in antibacterial activity.
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Affiliation(s)
- Matthew M. Noor
- Department of Chemical Engineering, Auburn University, Auburn, AL 36849, USA;
| | | | - Mark R. Liles
- Department of Biological Sciences, Auburn University, Auburn, AL 36849, USA; (A.L.R.S.-P.); (M.R.L.)
| | - Virginia A. Davis
- Department of Chemical Engineering, Auburn University, Auburn, AL 36849, USA;
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17
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Xu W, Qing X, Liu S, Chen Z, Zhang Y. Manganese oxide nanomaterials for bacterial infection detection and therapy. J Mater Chem B 2022; 10:1343-1358. [PMID: 35129557 DOI: 10.1039/d1tb02646a] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Bacterial infection has received substantial attention and poses a serious threat to human health. Although antibiotics can effectively fight against bacterial infection, the occurrence of antibiotic resistance has become increasingly serious in recent years, which tremendously hinders its clinical application. Consequently, it is urgent to explore novel strategies to achieve efficacious treatment of bacterial diagnosis and detection. Manganese dioxide (MnO2) nanomaterial has been extensively reported in tumor therapy. Nevertheless, there are few antibacterial reviews of MnO2. Herein, we will discuss the applications of MnO2 in the detection and treatment of bacterial infection, including photodynamic therapy, immunotherapy, improvement of hypoxia, dual-modal combination therapy, reactive oxygen species scavenging, magnetic resonance imaging, optical application of acoustic imaging, and so forth. This review is expected to provide meaningful guidance on further research of MnO2 nanomaterial for antibacterial applications.
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Affiliation(s)
- Wenjing Xu
- Medical School, Southeast University, Nanjing 210009, China.
| | - Xin Qing
- Medical School, Southeast University, Nanjing 210009, China.
| | - Shengli Liu
- Hepatopancreatobiliary Center, The Second Affiliated Hospital of Nanjing Medical University, Nanjing 210009, China.
| | - Zhencheng Chen
- School of Electronic Engineering and Automation, Guilin University of Electronic Technology, Guilin, Guangxi 541004, China.
| | - Yewei Zhang
- Medical School, Southeast University, Nanjing 210009, China. .,Hepatopancreatobiliary Center, The Second Affiliated Hospital of Nanjing Medical University, Nanjing 210009, China.
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Roy S, Sarkhel S, Bisht D, Hanumantharao SN, Rao S, Jaiswal A. Antimicrobial Mechanisms of Biomaterials: From Macro to Nano. Biomater Sci 2022; 10:4392-4423. [DOI: 10.1039/d2bm00472k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Overcoming the global concern of antibiotic resistance is one of the biggest challenge faced by scientists today and the key to tackle this issue of emerging infectious diseases is the...
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Sideri IK, Tagmatarchis N. Chemically modified carbon nanostructures and 2D nanomaterials for fabrics performing under operational tension and extreme environmental conditions. MATERIALS HORIZONS 2021; 8:3187-3200. [PMID: 34731229 DOI: 10.1039/d1mh01077h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The extensive research on carbon nanostructures and 2D nanomaterials will come to fruition once these materials steadily join everyday-life applications. Their chemical functionalization unlocks their potential as carriers of customized properties and counterparts to fabric fibers. The scope of the current review covers the chemical modification of carbon nanostructures and 2D nanomaterials for hybrid fabrics with enhanced qualities against critical operational and weather conditions, such as antibacterial, flame retardant, UV resistant, water repellent and high air and water vapor permeability activities.
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Affiliation(s)
- Ioanna K Sideri
- Theoretical and Physical Chemistry, Institute National Hellenic Research Foundation, 48 Vassileos Constantinou Avenue, 11635 Athens, Greece.
| | - Nikos Tagmatarchis
- Theoretical and Physical Chemistry, Institute National Hellenic Research Foundation, 48 Vassileos Constantinou Avenue, 11635 Athens, Greece.
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Kumar S, Ye F, Dobretsov S, Dutta J. Nanocoating Is a New Way for Biofouling Prevention. FRONTIERS IN NANOTECHNOLOGY 2021. [DOI: 10.3389/fnano.2021.771098] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Biofouling is a major concern to the maritime industry. Biofouling increases fuel consumption, accelerates corrosion, clogs membranes and pipes, and reduces the buoyancy of marine installations, such as ships, platforms, and nets. While traditionally marine installations are protected by toxic biocidal coatings, due to recent environmental concerns and legislation, novel nanomaterial-based anti-fouling coatings are being developed. Hybrid nanocomposites of organic-inorganic materials give a possibility to combine the characteristics of both groups of material generating opportunities to prevent biofouling. The development of bio-inspired surface designs, progress in polymer science and advances in nanotechnology is significantly contributing to the development of eco-friendly marine coatings containing photocatalytic nanomaterials. The review mainly discusses photocatalysis, antifouling activity, and formulation of coatings using metal and metal oxide nanomaterials (nanoparticles, nanowires, nanorods). Additionally, applications of nanocomposite coatings for inhibition of micro- and macro-fouling in marine environments are reviewed.
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21
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Carbon Nanotubes-Based Hydrogels for Bacterial Eradiation and Wound-Healing Applications. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11209550] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Biocompatible nanomaterials have attracted enormous interest for biomedical applications. Carbonaceous materials, including carbon nanotubes (CNTs), have been widely explored in wound healing and other applications because of their superior physicochemical and potential biomedical properties to the nanoscale level. CNTs-based hydrogels are widely used for wound-healing and antibacterial applications. CNTs-based materials exhibited improved antimicrobial, antibacterial, adhesive, antioxidants, and mechanical properties, which are beneficial for the wound-healing process. This review concisely discussed the preparation of CNTs-based hydrogels and their antibacterial and wound-healing applications. The conductive potential of CNTs and their derivatives is discussed. It has been observed that the conductivity of CNTs is profoundly affected by their structure, temperature, and functionalization. CNTs properties can be easily modified by surface functionalization. CNTs-based composite hydrogels demonstrated superior antibacterial potential to corresponding pure polymer hydrogels. The accelerated wound healing was observed with CNTs-based hydrogels.
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22
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Díez-Pascual AM. State of the Art in the Antibacterial and Antiviral Applications of Carbon-Based Polymeric Nanocomposites. Int J Mol Sci 2021; 22:10511. [PMID: 34638851 PMCID: PMC8509077 DOI: 10.3390/ijms221910511] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 09/25/2021] [Accepted: 09/26/2021] [Indexed: 12/15/2022] Open
Abstract
The development of novel approaches to prevent bacterial infection is essential for enhancing everyday life. Carbon nanomaterials display exceptional optical, thermal, and mechanical properties combined with antibacterial ones, which make them suitable for diverse fields, including biomedical and food applications. Nonetheless, their practical applications as antimicrobial agents have not been fully explored yet, owing to their relatively poor dispersibility, expensiveness, and scalability changes. To solve these issues, they can be integrated within polymeric matrices, which also exhibit antimicrobial activity in some cases. This review describes the state of the art in the antibacterial applications of polymeric nanocomposites reinforced with 0D fullerenes, 1D carbon nanotubes (CNTs), and 2D graphene (G) and its derivatives such as graphene oxide (GO) and reduced graphene oxide (rGO). Given that a large number of such nanocomposites are available, only the most illustrative examples are described, and their mechanisms of antimicrobial activity are discussed. Finally, some applications of these antimicrobial polymeric nanocomposites are reviewed.
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Affiliation(s)
- Ana M Díez-Pascual
- Universidad de Alcalá, Facultad de Ciencias, Departamento de Química Analítica, Química Física e Ingeniería Química, Ctra. Madrid-Barcelona, Km. 33.6, 28805 Alcalá de Henares, Madrid, Spain
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23
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Laganà P, Visalli G, Facciolà A, Ciarello MP, Laganà A, Iannazzo D, Di Pietro A. Is the Antibacterial Activity of Multi-Walled Carbon Nanotubes (MWCNTs) Related to Antibiotic Resistance? An Assessment in Clinical Isolates. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18179310. [PMID: 34501898 PMCID: PMC8431017 DOI: 10.3390/ijerph18179310] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 08/27/2021] [Accepted: 09/01/2021] [Indexed: 11/16/2022]
Abstract
Antimicrobial resistance has spread globally, compromising the treatment of common infections. This feature is particularly harmful for nosocomial pathogens that can survive on hospital surfaces. Research studies have been conducted to evaluate new materials that are able to counteract the microbial growth and the colonization of the hospital environment. In this context, nanotechnologies have showed encouraging applications. We investigated the antibacterial activity of multi-walled carbon nanotubes (MWCNTs), both pristine (p) and functionalized (f), at concentrations of 50 and 100 μg mL−1, against bacterial strains isolated from hospital-acquired infections, and this activity was correlated with the antibiotic susceptibility of the strains. The inhibiting effect of MWCNTs occurred for both types and doses tested. Moreover, f-MWCNTs exerted a greater inhibiting effect, with growth decreases greater than 10% at 24 h and 20% at 48 h compared to p-MWCNTs. Moreover, a lower inhibitory effect of MWCNTs, which was more lasting in Gram-positives resistant to cell wall antibiotics, or temporary in Gram-negatives resistant to nucleic acid and protein synthesis inhibitors, was observed, highlighting the strong relation between antibiotic resistance and MWCNT effect. In conclusion, an antimicrobial activity was observed especially for f-MWCNTs that could therefore be loaded with bioactive antimicrobial molecules. However, this potential application of CNTs presupposes the absence of toxicity and therefore total safety for patients.
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Affiliation(s)
- Pasqualina Laganà
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, 98125 Messina, Italy; (G.V.); (A.F.); (M.P.C.); (A.L.); (A.D.P.)
- Correspondence:
| | - Giuseppa Visalli
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, 98125 Messina, Italy; (G.V.); (A.F.); (M.P.C.); (A.L.); (A.D.P.)
| | - Alessio Facciolà
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, 98125 Messina, Italy; (G.V.); (A.F.); (M.P.C.); (A.L.); (A.D.P.)
| | - Marianna Pruiti Ciarello
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, 98125 Messina, Italy; (G.V.); (A.F.); (M.P.C.); (A.L.); (A.D.P.)
| | - Antonio Laganà
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, 98125 Messina, Italy; (G.V.); (A.F.); (M.P.C.); (A.L.); (A.D.P.)
| | - Daniela Iannazzo
- Department of Electronic Engineering, Industrial Chemistry and Engineering, University of Messina, 98125 Messina, Italy;
| | - Angela Di Pietro
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, 98125 Messina, Italy; (G.V.); (A.F.); (M.P.C.); (A.L.); (A.D.P.)
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Teixeira-Santos R, Gomes M, Gomes LC, Mergulhão FJ. Antimicrobial and anti-adhesive properties of carbon nanotube-based surfaces for medical applications: a systematic review. iScience 2021; 24:102001. [PMID: 33490909 PMCID: PMC7809508 DOI: 10.1016/j.isci.2020.102001] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Although high-performance carbon materials are widely used in surface engineering, with emphasis on carbon nanotubes (CNTs), the application of CNT nanocomposites on medical surfaces is poorly documented. In this study, we aimed to evaluate the antimicrobial and anti-adhesive properties of CNT-based surfaces. For this purpose, a PRISMA-oriented systematic review was conducted based on predefined criteria and 59 studies were selected for the qualitative analysis. Results from the analyzed studies suggest that surfaces containing modified CNTs, and specially CNTs conjugated with different polymers, exhibited strong antimicrobial and anti-adhesive activities. These composites seem to preserve the CNT toxicity to microorganisms and promote CNT-cell interactions, as well as to protect them from nonspecific protein adsorption. However, CNTs cannot yet compete with the conventional strategies to fight biofilms as their toxicity profile on the human body has not been thoroughly addressed. This review can be helpful for the development of new engineered medical surfaces.
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Affiliation(s)
- Rita Teixeira-Santos
- LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
| | - Marisa Gomes
- LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
| | - Luciana C. Gomes
- LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
| | - Filipe J. Mergulhão
- LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
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Review on Carbon Nanotube Varieties for Healthcare Application: Effect of Preparation Methods and Mechanism Insight. Processes (Basel) 2020. [DOI: 10.3390/pr8121654] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Many potential uses of carbon nanotubes (CNT) in various sectors have created an urge to assess their diverse range of properties pertaining to various applications like catalysis, biosensor, and antimicrobial activity. Increasing studies on the biosensor and antibacterial activity of CNT have prompted tremendous interest in the utilization of the carbon-based nanostructured material as an alternative to currently existing antibiotics. However, the study of bactericidal aspects of this nanomaterial is relatively new and hence the deeper understanding of the various physicochemical characteristics and antimicrobial nature of CNT is extremely wanted. This review covers the effect of framework substitution and explains the understanding of membrane disintegration and oxidative stresses upon nanomaterials for antimicrobial activity. The present article has also reviewed effect of preparation nanoparticle deposition and framework modification on carbon nanotube structure. The recent research on graphene-modified nanomaterials for biosensor applications related to healthcare/clinical applications have also been discussed. Major physicochemical contributing factors such as size, functionalization, high surface area, and aggregation features of CNT assisting in the bacterial killing have nicely been outlined. Hence, the present review explains the supporting information related with Single and multi-walled carbon nanotube and summarized the advantages of functionalized carbon nanotube/graphene-based nanostructured carbon-based materials towards protection and reduction of bacterial/viral infections in the healthcare sector.
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Seifi T, Kamali AR. Anti-pathogenic activity of graphene nanomaterials: A review. Colloids Surf B Biointerfaces 2020; 199:111509. [PMID: 33340933 DOI: 10.1016/j.colsurfb.2020.111509] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 11/26/2020] [Accepted: 11/29/2020] [Indexed: 12/12/2022]
Abstract
Graphene and its derivatives are promising candidates for a variety of biological applications, among which, their anti-pathogenic properties are highly attractive due to the outstanding physicochemical characteristics of these novel nanomaterials. The antibacterial, antiviral and antifungal performances of graphene are increasingly becoming more important due to the pathogen's resistance to existing drugs. Despite this, the factors influencing the antibacterial activity of graphene nanomaterials, and consequently, the mechanisms involved are still controversial. This review aims to systematically summarize the literature, discussing various factors that affect the antibacterial performance of graphene materials, including the shape, size, functional group and the electrical conductivity of graphene flakes, as well as the concentration, contact time and the pH value of the graphene suspensions used in related microbial tests. We discuss the possible surface and edge interactions between bacterial cells and graphene nanomaterials, which cause antibacterial effects such as membrane/oxidative/photothermal stresses, charge transfer, entrapment and self-killing phenomena. This article reviews the anti-pathogenic activity of graphene nanomaterials, comprising their antibacterial, antiviral, antifungal and biofilm-forming performance, with an emphasis on the antibacterial mechanisms involved.
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Affiliation(s)
- Tahereh Seifi
- Energy and Environmental Materials Research Centre (E(2)MC), School of Metallurgy, Northeastern University, Shenyang, 110819, China
| | - Ali Reza Kamali
- Energy and Environmental Materials Research Centre (E(2)MC), School of Metallurgy, Northeastern University, Shenyang, 110819, China.
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27
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Orlanducci S, Fulgenzi G, Margonelli A, Rea G, Antal TK, Lambreva MD. Mapping Single Walled Carbon Nanotubes in Photosynthetic Algae by Single-Cell Confocal Raman Microscopy. MATERIALS 2020; 13:ma13225121. [PMID: 33202863 PMCID: PMC7698160 DOI: 10.3390/ma13225121] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Revised: 10/25/2020] [Accepted: 11/02/2020] [Indexed: 11/21/2022]
Abstract
Carbon nanotubes (CNTs) are among the most exploited carbon allotropes in the emerging technologies of molecular sensing and bioengineering. However, the advancement of algal nanobiotechnology and nanobionics is hindered by the lack of methods for the straightforward visualization of the CNTs inside the cell. Herein, we present a handy and label-free experimental strategy based on visible Raman microscopy to assess the internalization of single-walled carbon nanotubes (SWCNTs) using the model photosynthetic alga Chlamydomonas reinhardtii as a recipient. The relationship between the properties of SWCNTs and their biological behavior was demonstrated, along with the occurrence of excitation energy transfer from the excited chlorophyll molecules to the SWCNTs. The non-radiative deactivation of the chlorophyll excitation promoted by the SWCNTs enables the recording of Raman signals originating from cellular compounds located near the nanotubes, such as carotenoids, polyphosphates, and starch. Furthermore, the outcome of this study unveils the possibility to exploit SWCNTs as spectroscopic probes in photosynthetic and non-photosynthetic systems where the fluorescence background hinders the acquisition of Raman scattering signals.
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Affiliation(s)
- Silvia Orlanducci
- Department of Chemical Science and Technology, University of Rome ‘‘Tor Vergata’’, 00133 Rome, Italy
- Institute of Crystallography, National Research Council of Italy, 00015 Monterotondo Stazione, Italy; (A.M.); (G.R.)
- Correspondence: (S.O.); (M.D.L.)
| | - Gianluca Fulgenzi
- Department of Molecular and Clinical Sciences, Faculty of Medicine and Surgery, Marche Polytechnic University, 60126 Ancona, Italy;
- Mouse Cancer Genetics Program, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702-1201, USA
| | - Andrea Margonelli
- Institute of Crystallography, National Research Council of Italy, 00015 Monterotondo Stazione, Italy; (A.M.); (G.R.)
| | - Giuseppina Rea
- Institute of Crystallography, National Research Council of Italy, 00015 Monterotondo Stazione, Italy; (A.M.); (G.R.)
| | - Taras K. Antal
- Department of Biophysics, Faculty of Biology, Lomonosov Moscow State University, 119992 Moscow, Russian;
- Laboratory of Integrated Environmental Research, Pskov State University, 180000 Pskov, Russian
| | - Maya D. Lambreva
- Institute of Crystallography, National Research Council of Italy, 00015 Monterotondo Stazione, Italy; (A.M.); (G.R.)
- Correspondence: (S.O.); (M.D.L.)
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Lopez de Armentia S, del Real JC, Paz E, Dunne N. Advances in Biodegradable 3D Printed Scaffolds with Carbon-Based Nanomaterials for Bone Regeneration. MATERIALS 2020; 13:ma13225083. [PMID: 33187218 PMCID: PMC7697295 DOI: 10.3390/ma13225083] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 11/05/2020] [Accepted: 11/09/2020] [Indexed: 01/09/2023]
Abstract
Bone possesses an inherent capacity to fix itself. However, when a defect larger than a critical size appears, external solutions must be applied. Traditionally, an autograft has been the most used solution in these situations. However, it presents some issues such as donor-site morbidity. In this context, porous biodegradable scaffolds have emerged as an interesting solution. They act as external support for cell growth and degrade when the defect is repaired. For an adequate performance, these scaffolds must meet specific requirements: biocompatibility, interconnected porosity, mechanical properties and biodegradability. To obtain the required porosity, many methods have conventionally been used (e.g., electrospinning, freeze-drying and salt-leaching). However, from the development of additive manufacturing methods a promising solution for this application has been proposed since such methods allow the complete customisation and control of scaffold geometry and porosity. Furthermore, carbon-based nanomaterials present the potential to impart osteoconductivity and antimicrobial properties and reinforce the matrix from a mechanical perspective. These properties make them ideal for use as nanomaterials to improve the properties and performance of scaffolds for bone tissue engineering. This work explores the potential research opportunities and challenges of 3D printed biodegradable composite-based scaffolds containing carbon-based nanomaterials for bone tissue engineering applications.
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Affiliation(s)
- Sara Lopez de Armentia
- Institute for Research in Technology/Mechanical Engineering Dept., Universidad Pontificia Comillas, Alberto Aguilera 25, 28015 Madrid, Spain; (S.L.d.A.); (J.C.d.R.)
| | - Juan Carlos del Real
- Institute for Research in Technology/Mechanical Engineering Dept., Universidad Pontificia Comillas, Alberto Aguilera 25, 28015 Madrid, Spain; (S.L.d.A.); (J.C.d.R.)
| | - Eva Paz
- Institute for Research in Technology/Mechanical Engineering Dept., Universidad Pontificia Comillas, Alberto Aguilera 25, 28015 Madrid, Spain; (S.L.d.A.); (J.C.d.R.)
- Correspondence: (E.P.); (N.D.)
| | - Nicholas Dunne
- Centre for Medical Engineering Research, School of Mechanical and Manufacturing Engineering, Dublin City University, Stokes Building, Collins Avenue, Dublin 9, Ireland
- School of Mechanical and Manufacturing Engineering, Dublin City University, Dublin 9, Ireland
- School of Pharmacy, Queen’s University of Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
- Department of Mechanical and Manufacturing Engineering, School of Engineering, Trinity College Dublin, Dublin 2, Ireland
- Advanced Manufacturing Research Centre (I-Form), School of Mechanical and Manufacturing Engineering, Dublin City University, Glasnevin, Dublin 9, Ireland
- Advanced Materials and Bioengineering Research Centre (AMBER), Trinity College Dublin, Dublin 2, Ireland
- Advanced Processing Technology Research Centre, Dublin City University, Dublin 9, Ireland
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin 2, Ireland
- Correspondence: (E.P.); (N.D.)
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Heliopoulos NS, Kythreoti G, Lyra KM, Panagiotaki KN, Papavasiliou A, Sakellis E, Papageorgiou S, Kouloumpis A, Gournis D, Katsaros FK, Stamatakis K, Sideratou Z. Cytotoxicity Effects of Water-Soluble Multi-Walled Carbon Nanotubes Decorated with Quaternized Hyperbranched Poly(ethyleneimine) Derivatives on Autotrophic and Heterotrophic Gram-Negative Bacteria. Pharmaceuticals (Basel) 2020; 13:E293. [PMID: 33036144 PMCID: PMC7601344 DOI: 10.3390/ph13100293] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 09/30/2020] [Accepted: 10/01/2020] [Indexed: 02/07/2023] Open
Abstract
Oxidized multi-walled carbon nanotubes (oxCNTs) were functionalized by a simple non-covalent modification procedure using quaternized hyperbranched poly(ethyleneimine) derivatives (QPEIs), with various quaternization degrees. Structural characterization of these hybrids using a variety of techniques, revealed the successful and homogenous anchoring of QPEIs on the oxCNTs' surface. Moreover, these hybrids efficiently dispersed in aqueous media, forming dispersions with excellent aqueous stability for over 12 months. Their cytotoxicity effect was investigated on two types of gram(-) bacteria, an autotrophic (cyanobacterium Synechococcus sp. PCC 7942) and a heterotrophic (bacterium Escherichia coli). An enhanced, dose-dependent antibacterial and anti-cyanobacterial activity against both tested organisms was observed, increasing with the quaternization degree. Remarkably, in the photosynthetic bacteria it was shown that the hybrid materials affect their photosynthetic apparatus by selective inhibition of the Photosystem-I electron transport activity. Cytotoxicity studies on a human prostate carcinoma DU145 cell line and 3T3 mouse fibroblasts revealed that all hybrids exhibit high cytocompatibility in the concentration range, in which they also exhibit both high antibacterial and anti-cyanobacterial activity. Thus, QPEI-functionalized oxCNTs can be very attractive candidates as antibacterial and anti-cyanobacterial agents that can be used for potential applications in the disinfection industry, as well as for the control of harmful cyanobacterial blooms.
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Affiliation(s)
- Nikolaos S. Heliopoulos
- Institute of Nanoscience and Nanotechnology, National Centre of Scientific Research ‘‘Demokritos”, 15310 Aghia Paraskevi, Greece; (N.S.H.); (G.K.); (K.M.L.); (K.N.P.); (A.P.); (E.S.); (S.P.); (F.K.K.)
- Department of Industrial Design & Production Engineering, University of West Attica, 12241 Egaleo, Attiki, Greece
| | - Georgia Kythreoti
- Institute of Nanoscience and Nanotechnology, National Centre of Scientific Research ‘‘Demokritos”, 15310 Aghia Paraskevi, Greece; (N.S.H.); (G.K.); (K.M.L.); (K.N.P.); (A.P.); (E.S.); (S.P.); (F.K.K.)
- Institute of Biosciences and Applications, National Centre of Scientific Research ‘‘Demokritos”, 15310 Aghia Paraskevi, Greece;
| | - Kyriaki Marina Lyra
- Institute of Nanoscience and Nanotechnology, National Centre of Scientific Research ‘‘Demokritos”, 15310 Aghia Paraskevi, Greece; (N.S.H.); (G.K.); (K.M.L.); (K.N.P.); (A.P.); (E.S.); (S.P.); (F.K.K.)
| | - Katerina N. Panagiotaki
- Institute of Nanoscience and Nanotechnology, National Centre of Scientific Research ‘‘Demokritos”, 15310 Aghia Paraskevi, Greece; (N.S.H.); (G.K.); (K.M.L.); (K.N.P.); (A.P.); (E.S.); (S.P.); (F.K.K.)
| | - Aggeliki Papavasiliou
- Institute of Nanoscience and Nanotechnology, National Centre of Scientific Research ‘‘Demokritos”, 15310 Aghia Paraskevi, Greece; (N.S.H.); (G.K.); (K.M.L.); (K.N.P.); (A.P.); (E.S.); (S.P.); (F.K.K.)
| | - Elias Sakellis
- Institute of Nanoscience and Nanotechnology, National Centre of Scientific Research ‘‘Demokritos”, 15310 Aghia Paraskevi, Greece; (N.S.H.); (G.K.); (K.M.L.); (K.N.P.); (A.P.); (E.S.); (S.P.); (F.K.K.)
| | - Sergios Papageorgiou
- Institute of Nanoscience and Nanotechnology, National Centre of Scientific Research ‘‘Demokritos”, 15310 Aghia Paraskevi, Greece; (N.S.H.); (G.K.); (K.M.L.); (K.N.P.); (A.P.); (E.S.); (S.P.); (F.K.K.)
| | - Antonios Kouloumpis
- Department of Material Science & Engineering, University of Ioannina, 45110 Ioannina, Greece; (A.K.); (D.G.)
| | - Dimitrios Gournis
- Department of Material Science & Engineering, University of Ioannina, 45110 Ioannina, Greece; (A.K.); (D.G.)
| | - Fotios K. Katsaros
- Institute of Nanoscience and Nanotechnology, National Centre of Scientific Research ‘‘Demokritos”, 15310 Aghia Paraskevi, Greece; (N.S.H.); (G.K.); (K.M.L.); (K.N.P.); (A.P.); (E.S.); (S.P.); (F.K.K.)
| | - Kostas Stamatakis
- Institute of Biosciences and Applications, National Centre of Scientific Research ‘‘Demokritos”, 15310 Aghia Paraskevi, Greece;
| | - Zili Sideratou
- Institute of Nanoscience and Nanotechnology, National Centre of Scientific Research ‘‘Demokritos”, 15310 Aghia Paraskevi, Greece; (N.S.H.); (G.K.); (K.M.L.); (K.N.P.); (A.P.); (E.S.); (S.P.); (F.K.K.)
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Saleemi MA, Yong PVC, Wong EH. Investigation of antimicrobial activity and cytotoxicity of synthesized surfactant-modified carbon nanotubes/polyurethane electrospun nanofibers. ACTA ACUST UNITED AC 2020. [DOI: 10.1016/j.nanoso.2020.100612] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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31
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Azizi-Lalabadi M, Hashemi H, Feng J, Jafari SM. Carbon nanomaterials against pathogens; the antimicrobial activity of carbon nanotubes, graphene/graphene oxide, fullerenes, and their nanocomposites. Adv Colloid Interface Sci 2020; 284:102250. [PMID: 32966964 DOI: 10.1016/j.cis.2020.102250] [Citation(s) in RCA: 89] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 08/22/2020] [Accepted: 08/24/2020] [Indexed: 02/07/2023]
Abstract
Recently, antibiotic resistance of pathogens has grown given the excessive and inappropriate usage of common antimicrobial agents. Hence, producing novel antimicrobial compounds is a necessity. Carbon nanomaterials (CNMs) such as carbon nanotubes, graphene/graphene oxide, and fullerenes, as an emerging class of novel materials, can exhibit a considerable antimicrobial activity, especially in the nanocomposite forms suitable for different fields including biomedical and food applications. These nanomaterials have attracted a great deal of interest due to their broad efficiency and novel features. The most important factor affecting the antimicrobial activity of CNMs is their size. Smaller particles with a higher surface to volume ratio can easily attach onto the microbial cells and affect their cell membrane integrity, metabolic procedures, and structural components. As these unique characteristics are found in CNMs, a wide range of possibilities have raised in terms of antimicrobial applications. This study aims to cover the antimicrobial activities of CNMs (both as individual forms and in nanocomposites) and comprehensively explain their mechanisms of action. The results of this review will present a broad perspective, summarizes the most remarkable findings, and provides an outlook regarding the antimicrobial properties of CNMs and their potential applications.
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Kovach K, Sabaraya IV, Patel P, Kirisits MJ, Saleh NB, Gordon VD. Suspended multiwalled, acid-functionalized carbon nanotubes promote aggregation of the opportunistic pathogen Pseudomonas aeruginosa. PLoS One 2020; 15:e0236599. [PMID: 32722685 PMCID: PMC7386566 DOI: 10.1371/journal.pone.0236599] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 07/08/2020] [Indexed: 01/29/2023] Open
Abstract
The increasing prevalence of carbon nanotubes (CNTs) as components of new functional materials has the unintended consequence of causing increases in CNT concentrations in aqueous environments. Aqueous systems are reservoirs for bacteria, including human and animal pathogens, that can form biofilms. At high concentrations, CNTs have been shown to display biocidal effects; however, at low concentrations, the interaction between CNTs and bacteria is more complicated, and antimicrobial action is highly dependent upon the properties of the CNTs in suspension. Here, impact of low concentrations of multiwalled CNTs (MWCNTs) on the biofilm-forming opportunistic human pathogen Pseudomonas aeruginosa is studied. Using phase contrast and confocal microscopy, flow cytometry, and antibiotic tolerance assays, it is found that sub-lethal concentrations (2 mg/L) of MWCNTs promote aggregation of P. aeruginosa into multicellular clusters. However, the antibiotic tolerance of these "young" bacterial-CNT aggregates is similar to that of CNT-free cultures. Overall, our results indicate that the co-occurrence of MWCNTs and P. aeruginosa in aqueous systems, which promotes the increased number and size of bacterial aggregates, could increase the dose to which humans or animals are exposed.
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Affiliation(s)
- Kristin Kovach
- Department of Physics, University of Texas at Austin, Austin, TX, United States of America
- Center for Nonlinear Dynamics, University of Texas at Austin, Austin, TX, United States of America
| | - Indu Venu Sabaraya
- Department of Civil, Architectural, and Environmental Engineering, University of Texas at Austin, Austin, TX, United States of America
| | - Parth Patel
- Department of Physics, University of Texas at Austin, Austin, TX, United States of America
- Center for Nonlinear Dynamics, University of Texas at Austin, Austin, TX, United States of America
| | - Mary Jo Kirisits
- Department of Civil, Architectural, and Environmental Engineering, University of Texas at Austin, Austin, TX, United States of America
| | - Navid B. Saleh
- Department of Civil, Architectural, and Environmental Engineering, University of Texas at Austin, Austin, TX, United States of America
| | - Vernita D. Gordon
- Department of Physics, University of Texas at Austin, Austin, TX, United States of America
- Center for Nonlinear Dynamics, University of Texas at Austin, Austin, TX, United States of America
- Institute for Cellular and Molecular Biology, University of Texas at Austin, Austin, TX, United States of America
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33
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Synthesis of polystyrene/starch/CNT composite and study on its biodegradability. JOURNAL OF POLYMER RESEARCH 2020. [DOI: 10.1007/s10965-020-02164-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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34
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Saleemi MA, Fouladi MH, Yong PVC, Wong EH. Elucidation of Antimicrobial Activity of Non-Covalently Dispersed Carbon Nanotubes. MATERIALS 2020; 13:ma13071676. [PMID: 32260216 PMCID: PMC7178397 DOI: 10.3390/ma13071676] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 02/21/2020] [Accepted: 02/28/2020] [Indexed: 12/19/2022]
Abstract
Microorganisms have begun to develop resistance because of inappropriate and extensive use of antibiotics in the hospital setting. Therefore, it seems to be necessary to find a way to tackle these pathogens by developing new and effective antimicrobial agents. Carbon nanotubes (CNTs) have attracted growing attention because of their remarkable mechanical strength, electrical properties, and chemical and thermal stability for their potential applications in the field of biomedical as therapeutic and diagnostic nanotools. However, the impact of carbon nanotubes on microbial growth has not been fully investigated. The primary purpose of this research study is to investigate the antimicrobial activity of CNTs, particularly double-walled and multi-walled nanotubes on representative pathogenic strains such as Gram-positive bacteria Staphylococcus aureus, Gram-negative bacteria Pseudomonas aeruginosa, Klebsiella pneumoniae, and fungal strain Candida albicans. The dispersion ability of CNT types (double-walled and multi-walled) treated with a surfactant such as sodium dodecyl-benzenesulfonate (SDBS) and their impact on the microbial growth inhibition were also examined. A stock concentration 0.2 mg/mL of both double-walled and multi-walled CNTs was prepared homogenized by dispersing in surfactant solution by using probe sonication. UV-vis absorbance, Fourier transform infrared spectroscopy (FTIR), and transmission electron microscopy (TEM) were used for the characterization of CNTs dispersed in the surfactant solution to study the interaction between molecules of surfactant and CNTs. Later, scanning electron microscopy (SEM) was used to investigate how CNTs interact with the microbial cells. The antimicrobial activity was determined by analyzing optical density growth curves and viable cell count. This study revealed that microbial growth inhibited by non-covalently dispersed CNTs was both depend on the concentration and treatment time. In conclusion, the binding of surfactant molecules to the surface of CNTs increases its ability to disperse in aqueous solution. Non-covalent method of CNTs dispersion preserved their structure and increased microbial growth inhibition as a result. Multi-walled CNTs exhibited higher antimicrobial activity compared to double-walled CNTs against selected pathogens.
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Affiliation(s)
- Mansab Ali Saleemi
- School of Biosciences, Taylor’s University Lakeside Campus, Subang Jaya 47500, Selangor, Malaysia; (M.A.S.); (P.V.C.Y.)
| | | | - Phelim Voon Chen Yong
- School of Biosciences, Taylor’s University Lakeside Campus, Subang Jaya 47500, Selangor, Malaysia; (M.A.S.); (P.V.C.Y.)
| | - Eng Hwa Wong
- School of Medicine, Taylor’s University Lakeside Campus, Subang Jaya 47500, Selangor, Malaysia
- Correspondence: ; Tel.: +60-12-269-8587
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35
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Zhang W, Zeng Z, Liu Z, Huang J, Xiao R, Shao B, Liu Y, Liu Y, Tang W, Zeng G, Gong J, He Q. Effects of carbon nanotubes on biodegradation of pollutants: Positive or negative? ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 189:109914. [PMID: 31761551 DOI: 10.1016/j.ecoenv.2019.109914] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Revised: 10/31/2019] [Accepted: 11/02/2019] [Indexed: 06/10/2023]
Abstract
Recently, a large quantity of carbon nanotubes (CNTs) enters the environment due to the increasing production and applications. More and more researches are focused on the fate and possible ecological risks of CNTs. Some literatures summarized the effects of CNTs on the chemical behavior and fate of pollutants. However, little reviewed the effects of CNTs on the biodegradation of pollutants. In general, the effects of CNTs on the biodegradation of pollutants and the related mechanisms were summarized in this review. CNTs have positive or negative effects on the biodegradation of contaminants by affecting the functional microorganisms, enzymes and the bioavailability of pollutants. CNTs may affect the microbial growth, activity, biomass, community composition, diversity and the activity of enzymes. The decrease of the bioavailability of pollutants due to the sorption on CNTs also causes the reduction of the biodegradation of contaminants. In addition, the roles of CNTs are controlled by multiple mechanisms, which are divided into three aspects i.e., properties of CNTs, environment condition, and microorganisms themself. The better understanding of the fate of CNTs and their impacts on the biochemical process in the environment is conducive to determine the release of CNTs into the environment.
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Affiliation(s)
- Wei Zhang
- College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, PR China
| | - Zhuotong Zeng
- The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, 410007, China
| | - Zhifeng Liu
- College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, PR China.
| | - Jinhui Huang
- College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, PR China.
| | - Rong Xiao
- The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, 410007, China
| | - Binbin Shao
- College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, PR China
| | - Yang Liu
- College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, PR China
| | - Yujie Liu
- College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, PR China
| | - Wangwang Tang
- College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, PR China
| | - Guangming Zeng
- College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, PR China
| | - Jilai Gong
- College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, PR China
| | - Qingyun He
- College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, PR China
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Abstract
As the nanotechnological applications have taken over in different fields, their applications for water and wastewater treatment is also surfacing as a fast-developing and very promising area. Recent advancements in nanotechnological science and engineering advise that many of the waterborne pathogens could be culminated or debilitated using nanobiosorbents, nanocatalysts, bioactive nanoparticles, nanostructured catalytic membranes, nanobioreactors, nanoparticle-enhanced filtration among other products, and processes resulting from the development of nanotechnology. A detailed insight has been provided for advanced techniques such as photochemical (photocatalytic and advanced oxidation processes) applications of metal oxide nanoparticles, nanomembrane technology, bioinspired nanomaterials, and nanotechnological innovations (nano-Ag, fullerenes, nanotubes, and molecularly imprinted polymers, etc.), which prove to be highly potential as well as promising and cost-effective. However, there are still some shortcomings and challenges that must be overcome which will be looked upon in this chapter.
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Nanomaterials and nanocomposite applications in veterinary medicine. MULTIFUNCTIONAL HYBRID NANOMATERIALS FOR SUSTAINABLE AGRI-FOOD AND ECOSYSTEMS 2020. [PMCID: PMC7252256 DOI: 10.1016/b978-0-12-821354-4.00024-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Nowadays, nanotechnology has made huge, significant advancements in biotechnology and biomedicine related to human and animal science, including increasing health safety, production, and the elevation of national income. There are various fields of nanomaterial applications in veterinary medicine such as efficient diagnostic and therapeutic tools, drug delivery, animal nutrition, breeding and reproduction, and valuable additives. Additional benefits include the detection of pathogens, protein, biological molecules, antimicrobial agents, feeding additives, nutrient delivery, and reproductive aids. There are many nanomaterials and nanocomposites that can be used in nanomedicine such as metal nanoparticles, liposomes, carbon nanotubes, and quantum dots. In the near future, nanotechnology research will have the ability to produce novel tools for improving animal health and production. Therefore, this chapter was undertaken to spotlight novel methods created by nanotechnology for application in the improvement of animal health and production. In addition, the toxicity of nanomaterials is fully discussed to avoid the suspected health hazards of toxicity for animal health safety.
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Rajak BL, Kumar R, Gogoi M, Patra S. Antimicrobial Activity of Nanomaterials. ENVIRONMENTAL CHEMISTRY FOR A SUSTAINABLE WORLD 2020. [DOI: 10.1007/978-3-030-29207-2_5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
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Anzar N, Hasan R, Tyagi M, Yadav N, Narang J. Carbon nanotube - A review on Synthesis, Properties and plethora of applications in the field of biomedical science. SENSORS INTERNATIONAL 2020. [DOI: 10.1016/j.sintl.2020.100003] [Citation(s) in RCA: 161] [Impact Index Per Article: 40.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
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Khazi-Syed A, Hasan MT, Campbell E, Gonzalez-Rodriguez R, Naumov AV. Single-Walled Carbon Nanotube-Assisted Antibiotic Delivery and Imaging in S. epidermidis Strains Addressing Antibiotic Resistance. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E1685. [PMID: 31775318 PMCID: PMC6955706 DOI: 10.3390/nano9121685] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Revised: 10/11/2019] [Accepted: 11/18/2019] [Indexed: 12/18/2022]
Abstract
Although conventional antibiotics have evolved as a staple of modern medicine, increasing antibiotic resistance and the lack of antibiotic efficacy against new bacterial threats is becoming a major medical threat. In this work, we employ single-walled carbon nanotubes (SWCNTs) known to deliver and track therapeutics in mammalian cells via intrinsic near-infrared fluorescence as carriers enhancing antibacterial delivery of doxycycline and methicillin. SWCNTs dispersed in water by antibiotics without the use of toxic bile salt surfactants facilitate efficacy enhancement for both antibiotics against Staphylococcus epidermidis strain showing minimal sensitivity to methicillin. Doxycycline to which the strain did not show resistance in complex with SWCNTs provides only minor increase in efficacy, whereas the SWCNTs/methicillin complex yields up to 40-fold efficacy enhancement over antibiotics alone, suggesting that SWCNT-assisted delivery may circumvent antibiotic resistance in that bacterial strain. At the same time SWCNT/antibiotic formulations appear to be less toxic to mammalian cells than antibiotics alone suggesting that nanomaterial platforms may not restrict potential biomedical applications. The improvement in antibacterial performance with SWCNT delivery is tested via 3 independent assays-colony count, MIC (Minimal Inhibitory Concentration) turbidity and disk diffusion, with the statistical significance of the latter verified by ANOVA and Dunnett's method. The potential mechanism of action is attributed to SWCNT interactions with bacterial cell wall and adherence to the membrane, as substantial association of SWCNT with bacteria is observed-the near-infrared fluorescence microscopy of treated bacteria shows localization of SWCNT fluorescence in bacterial clusters, scanning electron microscopy verifies SWCNT association with bacterial surface, whereas transmission electron microscopy shows individual SWCNT penetration into bacterial cell wall. This work characterizes SWCNTs as novel advantageous antibiotic delivery/imaging agents having the potential to address antibiotic resistance.
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Affiliation(s)
- Afeefah Khazi-Syed
- Department of Physics and Astronomy, Texas Christian University, TCU Box 298840, Fort Worth, TX 76129, USA; (A.K.-S.); (M.T.H.); (E.C.)
| | - Md Tanvir Hasan
- Department of Physics and Astronomy, Texas Christian University, TCU Box 298840, Fort Worth, TX 76129, USA; (A.K.-S.); (M.T.H.); (E.C.)
| | - Elizabeth Campbell
- Department of Physics and Astronomy, Texas Christian University, TCU Box 298840, Fort Worth, TX 76129, USA; (A.K.-S.); (M.T.H.); (E.C.)
| | - Roberto Gonzalez-Rodriguez
- Department of Chemistry and Biochemistry, Texas Christian University, TCU Box 298860, Fort Worth, TX 76129, USA;
| | - Anton V. Naumov
- Department of Physics and Astronomy, Texas Christian University, TCU Box 298840, Fort Worth, TX 76129, USA; (A.K.-S.); (M.T.H.); (E.C.)
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Xin Q, Shah H, Nawaz A, Xie W, Akram MZ, Batool A, Tian L, Jan SU, Boddula R, Guo B, Liu Q, Gong JR. Antibacterial Carbon-Based Nanomaterials. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1804838. [PMID: 30379355 DOI: 10.1002/adma.201804838] [Citation(s) in RCA: 319] [Impact Index Per Article: 63.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Revised: 08/30/2018] [Indexed: 05/19/2023]
Abstract
The emergence and global spread of bacterial resistance to currently available antibiotics underscore the urgent need for new alternative antibacterial agents. Recent studies on the application of nanomaterials as antibacterial agents have demonstrated their great potential for management of infectious diseases. Among these antibacterial nanomaterials, carbon-based nanomaterials (CNMs) have attracted much attention due to their unique physicochemical properties and relatively higher biosafety. Here, a comprehensive review of the recent research progress on antibacterial CNMs is provided, starting with a brief description of the different kinds of CNMs with respect to their physicochemical characteristics. Then, a detailed introduction to the various mechanisms underlying antibacterial activity in these materials is given, including physical/mechanical damage, oxidative stress, photothermal/photocatalytic effect, lipid extraction, inhibition of bacterial metabolism, isolation by wrapping, and the synergistic effect when CNMs are used in combination with other antibacterial materials, followed by a summary of the influence of the physicochemical properties of CNMs on their antibacterial activity. Finally, the current challenges and an outlook for the development of more effective and safer antibacterial CNMs are discussed.
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Affiliation(s)
- Qi Xin
- Chinese Academy of Sciences (CAS) Center of Excellence for Nanoscience, CAS Key Laboratory for Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology, 11 Beiyitiao Zhongguancun, Beijing, 100190, P. R. China
| | - Hameed Shah
- Chinese Academy of Sciences (CAS) Center of Excellence for Nanoscience, CAS Key Laboratory for Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology, 11 Beiyitiao Zhongguancun, Beijing, 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Asmat Nawaz
- Chinese Academy of Sciences (CAS) Center of Excellence for Nanoscience, CAS Key Laboratory for Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology, 11 Beiyitiao Zhongguancun, Beijing, 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Wenjing Xie
- Chinese Academy of Sciences (CAS) Center of Excellence for Nanoscience, CAS Key Laboratory for Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology, 11 Beiyitiao Zhongguancun, Beijing, 100190, P. R. China
| | - Muhammad Zain Akram
- Chinese Academy of Sciences (CAS) Center of Excellence for Nanoscience, CAS Key Laboratory for Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology, 11 Beiyitiao Zhongguancun, Beijing, 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Aisha Batool
- Chinese Academy of Sciences (CAS) Center of Excellence for Nanoscience, CAS Key Laboratory for Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology, 11 Beiyitiao Zhongguancun, Beijing, 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Liangqiu Tian
- Chinese Academy of Sciences (CAS) Center of Excellence for Nanoscience, CAS Key Laboratory for Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology, 11 Beiyitiao Zhongguancun, Beijing, 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Saad Ullah Jan
- Chinese Academy of Sciences (CAS) Center of Excellence for Nanoscience, CAS Key Laboratory for Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology, 11 Beiyitiao Zhongguancun, Beijing, 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Rajender Boddula
- Chinese Academy of Sciences (CAS) Center of Excellence for Nanoscience, CAS Key Laboratory for Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology, 11 Beiyitiao Zhongguancun, Beijing, 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Beidou Guo
- Chinese Academy of Sciences (CAS) Center of Excellence for Nanoscience, CAS Key Laboratory for Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology, 11 Beiyitiao Zhongguancun, Beijing, 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Qian Liu
- Chinese Academy of Sciences (CAS) Center of Excellence for Nanoscience, CAS Key Laboratory for Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology, 11 Beiyitiao Zhongguancun, Beijing, 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Jian Ru Gong
- Chinese Academy of Sciences (CAS) Center of Excellence for Nanoscience, CAS Key Laboratory for Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology, 11 Beiyitiao Zhongguancun, Beijing, 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
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Wang X, Chang CH, Jiang J, Liu Q, Liao YP, Lu J, Li L, Liu X, Kim J, Ahmed A, Nel AE, Xia T. The Crystallinity and Aspect Ratio of Cellulose Nanomaterials Determine Their Pro-Inflammatory and Immune Adjuvant Effects In Vitro and In Vivo. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2019; 15:e1901642. [PMID: 31461215 PMCID: PMC6800804 DOI: 10.1002/smll.201901642] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2019] [Revised: 07/30/2019] [Indexed: 05/21/2023]
Abstract
Nanocellulose is increasingly considered for applications; however, the fibrillar nature, crystalline phase, and surface reactivity of these high aspect ratio nanomaterials need to be considered for safe biomedical use. Here a comprehensive analysis of the impact of cellulose nanofibrils (CNF) and nanocrystals (CNC) is performed using materials provided by the Nanomaterial Health Implications Research Consortium of the National Institute of Environmental Health Sciences. An intermediary length of nanocrystals is also derived by acid hydrolysis. While all CNFs and CNCs are devoid of cytotoxicity, 210 and 280 nm fluorescein isothiocyanate (FITC)-labeled CNCs show higher cellular uptake than longer and shorter CNCs or CNFs. Moreover, CNCs in the 200-300 nm length scale are more likely to induce lysosomal damage, NLRP3 inflammasome activation, and IL-1β production than CNFs. The pro-inflammatory effects of CNCs are correlated with higher crystallinity index, surface hydroxyl density, and reactive oxygen species generation. In addition, CNFs and CNCs can induce maturation of bone marrow-derived dendritic cells and CNCs (and to a lesser extent CNFs) are found to exert adjuvant effects in ovalbumin (OVA)-injected mice, particularly for 210 and 280 nm CNCs. All considered, the data demonstrate the importance of length scale, crystallinity, and surface reactivity in shaping the innate immune response to nanocellulose.
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Affiliation(s)
- Xiang Wang
- Division of NanoMedicine, Department of Medicine, University of California, Los Angeles, CA 90095, United States, United States
- California NanoSystems Institute, University of California, Los Angeles, CA 90095, United States, United States
| | - Chong Hyun Chang
- California NanoSystems Institute, University of California, Los Angeles, CA 90095, United States, United States
| | - Jinhong Jiang
- California NanoSystems Institute, University of California, Los Angeles, CA 90095, United States, United States
| | - Qi Liu
- Division of NanoMedicine, Department of Medicine, University of California, Los Angeles, CA 90095, United States, United States
| | - Yu-Pei Liao
- Division of NanoMedicine, Department of Medicine, University of California, Los Angeles, CA 90095, United States, United States
| | - Jianqin Lu
- Division of NanoMedicine, Department of Medicine, University of California, Los Angeles, CA 90095, United States, United States
| | - Linjiang Li
- California NanoSystems Institute, University of California, Los Angeles, CA 90095, United States, United States
| | - Xiangsheng Liu
- Division of NanoMedicine, Department of Medicine, University of California, Los Angeles, CA 90095, United States, United States
| | - Joshua Kim
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA 90095, United States, United States
| | - Ayman Ahmed
- Department of Molecular, Cell, and Developmental Biology, University of California, Los Angeles, CA 90095, United States, United States
| | - André E. Nel
- Division of NanoMedicine, Department of Medicine, University of California, Los Angeles, CA 90095, United States, United States
- California NanoSystems Institute, University of California, Los Angeles, CA 90095, United States, United States
| | - Tian Xia
- Division of NanoMedicine, Department of Medicine, University of California, Los Angeles, CA 90095, United States, United States
- California NanoSystems Institute, University of California, Los Angeles, CA 90095, United States, United States
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43
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Baek S, Joo SH, Su C, Toborek M. Antibacterial effects of graphene- and carbon-nanotube-based nanohybrids on Escherichia coli: Implications for treating multidrug-resistant bacteria. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2019; 247:214-223. [PMID: 31247368 PMCID: PMC7085116 DOI: 10.1016/j.jenvman.2019.06.077] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 05/30/2019] [Accepted: 06/15/2019] [Indexed: 05/25/2023]
Abstract
Some nanomaterials including Fe0, Ag0, and ZnO are well known for their antibacterial effects. However, very few studies have examined antibacterial effects of nanohybrids. Given that metal oxides, mainly ZnO and TiO2, are known to increase mobility, surface area, and photocatalysis when combined with carbon-based nanomaterials, ZnO- and TiO2-conjugated carbon nanotube and graphene oxide nanohybrids were investigated for their antibacterial effects on Escherichia coli (DH5α, a multidrug-resistant coliform bacterium). Graphene-oxide (GO)-based nanohybrids (ZnO-GO and TiO2-GO) induced increased dispersion compared to carbon-nanotube (CNT)-based nanohybrids (ZnO-CNT and TiO2-CNT). Among the four types of nanohybrids, ZnO-conjugated nanohybrids exhibited a higher antibacterial property, resulting in the antibacterial effect (measured with growth inhibition of cells) in the order ZnO-GO > ZnO-CNT > TiO2-GO > TiO2-CNT. Among four possible antibacterial mechanisms (generation of reactive oxygen species (ROS), physicochemical characteristics, the steric effect, and release of metal ions), a primary mechanism-ROS generation-was identified; whereas, physicochemical characteristics and the steric effect were part of contributing mechanisms. The increasing dispersion of TiO2/ZnO on GO may have contributed to the antibacterial effects due to increasing surface areas. Similarly, significant damages to E. coli cell membranes were found by the GO sheet with its sharp edges. Our results suggest that applying GO-based ZnO or TiO2 could be an effective antibacterial method, especially for the treatment of multidrug-resistant bacteria in the water.
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Affiliation(s)
- Soyoung Baek
- Department of Civil, Architectural, and Environmental Engineering, University of Miami, 1251 Memorial Dr. McArthur Engineering Building, Coral Gables, FL, 33146-0630, USA
| | - Sung Hee Joo
- Department of Civil, Architectural, and Environmental Engineering, University of Miami, 1251 Memorial Dr. McArthur Engineering Building, Coral Gables, FL, 33146-0630, USA.
| | - Chunming Su
- Groundwater, Watershed, and Ecosystem Restoration Division, National Risk Management Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, 919 Kerr Research Drive, Ada, OK, 74820, USA
| | - Michal Toborek
- Department of Biochemistry and Molecular Biology, School of Medicine, University of Miami, 1011 NW 15th Street, Miami, FL, 33136, USA
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44
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Wang L, Yuan Z, Karahan HE, Wang Y, Sui X, Liu F, Chen Y. Nanocarbon materials in water disinfection: state-of-the-art and future directions. NANOSCALE 2019; 11:9819-9839. [PMID: 31080989 DOI: 10.1039/c9nr02007a] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Water disinfection practices are critical for supplying safe drinking water. Existing water disinfection methods come with various drawbacks, calling for alternative or complementary solutions. Nanocarbon materials (NCMs) offer unique advantages for water disinfection owing to their high antimicrobial activity, often low environmental/human toxicity, and tunable physicochemical properties. Nevertheless, it is a challenge to assess the research progress made so far due to the structure and property diversity in NCMs as well as their different targeted applications. Because of these, here we provide a broad outline of this emerging field in three parts. First, we introduce the antimicrobial activities of the different types of NCMs, including fullerenes, nanodiamonds, carbon (nano)dots, carbon nanotubes, and graphene-family materials. Next, we discuss the current status in applying these NCMs for different water disinfection problems, especially as hydrogel filters, filtration membranes, recyclable aggregates, and electrochemical devices. We also introduce the use of NCMs in photocatalysts for photocatalytic water disinfection. Lastly, we put forward the key hurdles of the field that hamper the realization of the practical applications and propose possible directions for future investigations to address those. We hope that this minireview will encourage researchers to tackle these challenges and innovate NCM-based water disinfection platforms in the near future.
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Affiliation(s)
- Liang Wang
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin 300384, China.
| | - Ziwen Yuan
- The University of Sydney, School of Chemical and Biomolecular Engineering, NSW, 2006, Australia.
| | - H Enis Karahan
- Nanyang Technological University, School of Chemical and Biomedical Engineering, 62 Nanyang Drive, 637459, Singapore
| | - Yilei Wang
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin 300384, China.
| | - Xiao Sui
- The University of Sydney, School of Chemical and Biomolecular Engineering, NSW, 2006, Australia.
| | - Fei Liu
- The University of Sydney, School of Chemical and Biomolecular Engineering, NSW, 2006, Australia. and State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Institute of Microbiology, 100 Central Xianlie Road, Guangzhou 510070, China
| | - Yuan Chen
- The University of Sydney, School of Chemical and Biomolecular Engineering, NSW, 2006, Australia.
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Shen Z, Wu J, Yu Y, Liu S, Jiang W, Nurmamat H, Wu B. Comparison of cytotoxicity and membrane efflux pump inhibition in HepG2 cells induced by single-walled carbon nanotubes with different length and functional groups. Sci Rep 2019; 9:7557. [PMID: 31101842 PMCID: PMC6525162 DOI: 10.1038/s41598-019-43900-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Accepted: 04/24/2019] [Indexed: 12/12/2022] Open
Abstract
Environmental risk of single-walled carbon nanotubes (SWCNTs) is receiving increasing attentions owing to their wide study and application. However, little is known on the influence of length and functional groups on SWCNT cytotoxicity. In this study, six types of SWCNTs with different functional groups (pristine, carboxyl group and hydroxyl group) and lengths (1-3 μm and 5-30 μm) were chosen. Cytotoxicities in human hepatoma HepG2 cells induced by these SWCNTs were compared based on cell viability, oxidative stress, plasma membrane fluidity and ABC transporter activity assays. Results showed that all the SWCNTs decreased cell viability of HepG2, increased intracellular reactive oxygen species (ROS) level, and damaged plasma membrane in a concentration-dependent manner. Long SWCNTs had stronger cytotoxic effects than short SWCNTs, which might be due to weaker aggregation for the long SWCNTs. Functionalization changed the toxic effects of the SWCNTs, and different influence was found between long SWCNTs and short SWCNTs. Moreover, the six types of SWCNTs at low concentrations changed plasma membrane fluidity, inhibited transmembrane ABC transporter (efflux pump) activity, and acted as chemosensitizer to improve the sensitivity of cells to arsenic, indicating the chemosensitive effect should be considered as toxic endpoint of SWCNTs. Comparison of different toxic endpoints among the six types of SWCNTs showed that short hydroxyl-SWCNT might be safer than other SWCNTs. This study provides insights into toxicities of SWCNTs, which is of great value for the risk assessment and application of SWCNTs.
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Affiliation(s)
- Zhuoyan Shen
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, P.R. China
| | - Jialu Wu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, P.R. China
| | - Yue Yu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, P.R. China
| | - Su Liu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, P.R. China
| | - Wei Jiang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, P.R. China
| | - Habiba Nurmamat
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, P.R. China
| | - Bing Wu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, P.R. China.
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Aloysius C, Varghese AA, Pattekkal Ali S, Sukirtha TH, Aloysius Sabu N, Cyriac J, Varghese T. Antibacterial activity of carbon nanoparticles isolated from chimney soot. IET Nanobiotechnol 2019; 13:316-319. [PMID: 31053695 DOI: 10.1049/iet-nbt.2018.5183] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Carbon nanoparticles (CNPs) are isolated from chimney soot and characterised by various tools such as X-ray diffraction, scanning electron microscopy, transmission electron microscopy and ultraviolet-visible spectroscopy. The X-ray diffraction studies confirm the presence of C60 nanoparticles in the isolated sample. The thermal properties of the prepared CNPs are recorded using thermogravimetric analysis and differential thermal analysis. The analysis of the antibacterial activity of the synthesised CNPs against selected Gram-positive and Gram-negative bacterial strains is also investigated. The systematic study confirms that CNPs collected from chimney soot exhibit good antibacterial potency against Staphylococcus aureus, Streptococcus pyogenes, Klebsiella pneumoniae, and Proteus mirabilis.
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Affiliation(s)
- Chithra Aloysius
- Nanoscience Research Centre (NSRC), Department of Physics, Nirmala College, Muvattupuzha-686661, Kerala, India
| | - Aveena Abee Varghese
- Nanoscience Research Centre (NSRC), Department of Physics, Nirmala College, Muvattupuzha-686661, Kerala, India
| | - Shameena Pattekkal Ali
- Department of Microbiology, Nehru Arts and Science College, Coimbatore-641 105, Tamilnadu, India
| | | | - Nedumkallel Aloysius Sabu
- Nanoscience Research Centre (NSRC), Department of Physics, Nirmala College, Muvattupuzha-686661, Kerala, India
| | - Jaiby Cyriac
- Department of Botany, Nirmala College, Muvattupuzha-686661, Kerala, India
| | - Thomas Varghese
- Nanoscience Research Centre (NSRC), Department of Physics, Nirmala College, Muvattupuzha-686661, Kerala, India.
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47
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Plekhanova Y, Tarasov S, Bykov A, Reshetilov A. Electrochemical assessment of the interaction of microbial living cells and carbon nanomaterials. IET Nanobiotechnol 2019; 13:332-338. [PMID: 31053698 PMCID: PMC8676533 DOI: 10.1049/iet-nbt.2018.5172] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Revised: 11/22/2018] [Accepted: 12/24/2018] [Indexed: 11/20/2022] Open
Abstract
This work considers the effects of various carbon nanomaterials and fibres on bioelectrocatalytic and respiratory activity of bacterial cells during the oxidation of ethanol in the presence of an electron transport mediator. Gluconobacter oxydans sbsp. industrius VKM B-1280 cells were immobilised on the surfaces of graphite electrodes and had an adsorption contact with a nanomaterial (multi-walled carbon nanotubes, thermally expanded graphite, highly oriented pyrolytic graphite, graphene oxide, reduced graphene oxide). The electrochemical parameters of the electrodes (the polarisation curves, the value of generated current at the introduction of substrate, the impedance characteristics) were measured in two-electrode configuration. Modification by multi-walled carbon nanotubes led to the increase of microbial fuel cell (MFC) electric power by 26%. The charge transfer resistance of modified electrodes was 47% lower than unmodified ones. Thermally expanded and pyrolytic graphites had a slight negative effect on the electrochemical properties of modified electrodes. The respiratory activity of bacterial cells did not change in the presence of nanomaterials. The data can be used in the development of microbial biosensors and MFC electrodes based on Gluconobacter cells.
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Affiliation(s)
- Yulia Plekhanova
- Laboratory of Biosensors, FSBIS G.K. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, pr. Nauki, 5, Pushchino, Moscow Region, 142290, Russian Federation.
| | - Sergei Tarasov
- Laboratory of Biosensors, FSBIS G.K. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, pr. Nauki, 5, Pushchino, Moscow Region, 142290, Russian Federation
| | - Aleksandr Bykov
- Laboratory of Biosensors, FSBIS G.K. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, pr. Nauki, 5, Pushchino, Moscow Region, 142290, Russian Federation
| | - Anatoly Reshetilov
- Laboratory of Biosensors, FSBIS G.K. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, pr. Nauki, 5, Pushchino, Moscow Region, 142290, Russian Federation
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48
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Maksimova YG. Microorganisms and Carbon Nanotubes: Interaction and Applications (Review). APPL BIOCHEM MICRO+ 2019. [DOI: 10.1134/s0003683819010101] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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49
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Kim KI, Kim DA, Patel KD, Shin US, Kim HW, Lee JH, Lee HH. Carbon nanotube incorporation in PMMA to prevent microbial adhesion. Sci Rep 2019; 9:4921. [PMID: 30894673 PMCID: PMC6427005 DOI: 10.1038/s41598-019-41381-0] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Accepted: 03/07/2019] [Indexed: 12/23/2022] Open
Abstract
Although PMMA-based biomaterials are widely used in clinics, a major hurdle, namely, their poor antimicrobial (i.e., adhesion) properties, remains and can accelerate infections. In this study, carboxylated multiwalled carbon nanotubes (CNTs) were incorporated into poly(methyl methacrylate) (PMMA) to achieve drug-free antimicrobial adhesion properties. After characterizing the mechanical/surface properties, the anti-adhesive effects against 3 different oral microbial species (Staphylococcus aureus, Streptococcus mutans, and Candida albicans) were determined for roughened and highly polished surfaces using metabolic activity assays and staining for recognizing adherent cells. Carboxylated multiwalled CNTs were fabricated and incorporated into PMMA. Total fracture work was enhanced for composites containing 1 and 2% CNTs, while other mechanical properties were gradually compromised with the increase in the amount of CNTs incorporated. However, the surface roughness and water contact angle increased with increasing CNT incorporation. Significant anti-adhesive effects (35~95%) against 3 different oral microbial species without cytotoxicity to oral keratinocytes were observed for the 1% CNT group compared to the PMMA control group, which was confirmed by microorganism staining. The anti-adhesive mechanism was revealed as a disconnection of sequential microbe chains. The drug-free antimicrobial adhesion properties observed in the CNT-PMMA composite suggest the potential utility of CNT composites as future antimicrobial biomaterials for preventing microbial-induced complications in clinical settings (i.e., Candidiasis).
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Affiliation(s)
- Kyoung-Im Kim
- Department of Biomaterials Science, School of Dentistry, Dankook University, Cheonan, 31116, South Korea
| | - Dong-Ae Kim
- Department of Biomaterials Science, School of Dentistry, Dankook University, Cheonan, 31116, South Korea.,Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, South Korea.,Department of Dental Hygiene, Kyungwoon University, Gumi-si, South Korea
| | - Kapil D Patel
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, South Korea.,Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine Research Center, Dankook University, Cheonan, 31116, South Korea.,UCL Eastman-Korea Dental Medicine Innovation Centre, Dankook University, Cheonan, 31116, Republic of Korea
| | - Ueon Sang Shin
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, South Korea.,Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine Research Center, Dankook University, Cheonan, 31116, South Korea
| | - Hae-Won Kim
- Department of Biomaterials Science, School of Dentistry, Dankook University, Cheonan, 31116, South Korea.,Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, South Korea.,Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine Research Center, Dankook University, Cheonan, 31116, South Korea.,UCL Eastman-Korea Dental Medicine Innovation Centre, Dankook University, Cheonan, 31116, Republic of Korea
| | - Jung-Hwan Lee
- Department of Biomaterials Science, School of Dentistry, Dankook University, Cheonan, 31116, South Korea. .,Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, South Korea. .,Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine Research Center, Dankook University, Cheonan, 31116, South Korea. .,UCL Eastman-Korea Dental Medicine Innovation Centre, Dankook University, Cheonan, 31116, Republic of Korea.
| | - Hae-Hyoung Lee
- Department of Biomaterials Science, School of Dentistry, Dankook University, Cheonan, 31116, South Korea. .,Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, South Korea. .,UCL Eastman-Korea Dental Medicine Innovation Centre, Dankook University, Cheonan, 31116, Republic of Korea.
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50
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Hameed A, Mukhtar A, Shafiq U, Qizilbash M, Khan MS, Rashid T, Bavoh CB, Rehman WU, Guardo A. Experimental investigation on synthesis, characterization, stability, thermo-physical properties and rheological behavior of MWCNTs-kapok seed oil based nanofluid. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2019.01.012] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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